Draft: ResultsModel: add `MimeDataRole` to export mime data as QVariantMap
Since Qt 6.5, Drag.mimeData supports QByteArray, QStringList and other various types. Add the role to help port custom drag handlers away.
Since Qt 6.5, Drag.mimeData supports QByteArray, QStringList and other various types. Add the role to help port custom drag handlers away.